package org.apache.cloudberry.pxf.api.model;

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

import java.util.List;


/**
 * Interface that defines getting metadata.
 */
public interface MetadataFetcher extends Plugin {

    /**
     * Gets a metadata of a given item
     *
     * @param pattern table/file name or pattern
     * @return metadata of all items corresponding to given pattern
     * @throws Exception if metadata information could not be retrieved
     */
    List<Metadata> getMetadata(String pattern) throws Exception;
}
